A study of bone mineral density of the proximal tibia.

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We reported a comparative study of bone mineral density (BMD) of the proximal tibia with age, sex, weight and height.We measured the BMD of the proximal tibia of 74 healthy men and 76 women from the 2nd to 8th decades, with dual photon absorptiometer, LUNAR DP3, using gadolinium 153.BMD of the proximal tibia decreased according to age particularly in women. Age-related decreases of BMD of the femoral neck and lumbar supine were also recognized. The linear regression coefficient of the proximal tibia on age was greater than that of other skeletal sites. The most relative factor of BMD of the proximal tibia was age in women and weight in men. And BMD at medial and lateral sides of the proximal tibia, which were the weight bearing area, was higher than that of central side, non-weight bearing area. The value of the BMD of the proximal tibia may be influenced by physical activity other than aging.
西日本整形・災害外科学会の論文